Portable laptop computer



FIG. 1 is a front, top and right side perspective view of a portablelaptop computer showing our new design;

FIG. 2 is a bottom, rear, and left side perspective thereof; and

FIG. 3 is an enlarged front, top and right side perspective view thereofwith the pivotable display cover in the closed position.

The ornamental design for a portable laptop computer, as shown anddescribed.